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Xerostomia is the subjective sensation of dry mouth, which is often (but not always) associated with hypofunction of the salivary glands. [3] The term is derived from the Greek words ξηρός (xeros) meaning "dry" and στόμα (stoma) meaning "mouth". [4] [5] A drug or substance that increases the rate of salivary flow is termed a sialogogue.
Conditions that can cause saliva overproduction include: [4] Rabies; Pellagra (niacin or vitamin B 3 deficiency) [6]; Gastroesophageal reflux disease, in such cases specifically called a water brash (a loosely defined lay term), and is characterized by a sour fluid or almost tasteless saliva in the mouth [7]
This means that psychogenic polydipsia may lead to test results (e.g. in a water restriction test) consistent with diabetes insipidus or SIADH, leading to misdiagnosis. [14] Dry mouth is often a side effect of medications used in the treatment of some mental disorders, rather than being caused by the underlying condition. [15]
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Some causes of a burning mouth sensation may be accompanied by clinical signs in the mouth or elsewhere on the body. For example, burning mouth pain may be a symptom of allergic contact stomatitis . This is a contact sensitivity ( type IV hypersensitivity reaction) in the oral tissues to common substances such as sodium lauryl sulfate ...
Also known as benign migratory glossitis, experts cover the symptoms, causes, diagnosis, and treatment of geographic tongue. Skip to main content. 24/7 Help. For premium support please call: 800 ...
Dry mouth (xerostomia) is frequently caused by medication and to a lesser extent, by anxiety or Sjögren's syndrome. [6] It can be useful to have the extent of dryness recorded. That is, if a person has a complaint of a dry mouth, the clinician can apply the Challacombe scale to determine its severity and whether treatment is required.
A minor salivary gland may have a common excretory duct with another gland, or may have its own excretory duct. Their secretion is mainly mucous in nature and have many functions such as coating the oral cavity with saliva. Problems with dentures are sometimes associated with minor salivary glands if dry mouth is present. [12]